Bibliography:

Sources for aluminum facts:

Pearce, Fred. Confessions of an Eco-Sinner. Beacon Press, Boston.

http://www.tufts.edu/tuftsrecycles/canlife.html

http://earth911.com/blog/2007/04/02/facts-about-aluminum-recycling/

http://www.cancentral.com/funFacts.cfm

http://www.cdrecyclingcenter.org